North Mississippi Research and Extension Center’s Agronomic Row Crops Field Day on Thursday, August 7

🕔08:39, 25.Jul 2014

The North Mississippi Research and Extension Center’s Agronomic Row Crops Field Day on Thursday, August 7 will present the latest research to the area’s row-crop farmers and consultants. The field day will be from 8 a.m. to 1:30 p.m. at the Lee County Agri-Center Magnolia Conference Center on Highway 145 South in Verona.

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Rice Stink Bugs in Mississippi Rice

🕔20:58, 24.Jul 2014

As more and more of the rice crop starts to head, it is time to start thinking about rice stink bug. We have been sweeping some grass around the Delta for the last few weeks, and the one general comment I will make is that populations have been fairly low in most areas. We have seen fairly high numbers in a couple places, but it was small patches of heading grass in isolated locations.

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Trap Counts, July 18, 2014

Trap Counts, July 18, 2014

🕔10:52, 18.Jul 2014

Bollworm moth counts were up sharply across the state this week, so higher bollworm larval pressure should be expected over the next 1-2 weeks. Southwestern corn borer counts were high in Quitman, Tallahatchie and Leflore counties, but low elsewhere. Most corn

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Treating White Sugarcane Aphid: Decision Aid

Treating White Sugarcane Aphid: Decision Aid

🕔14:26, 15.Jul 2014

White sugarcane aphids (WSCA) have been blowing up quickly to treatable levels in several counties in Mississippi. Over the last few days here have been several field requiring treatments likely with more coming. Because this is a new pests for Mississippi, we have been following the lead of our colleagues in Texas and Louisiana who dealt with this in 2013. Below are some criteria that we put together based on what we know to date that will help in making a decision to treat WSCA.

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White Sugarcane Aphid Update and Impact on Midge Applications

White Sugarcane Aphid Update and Impact on Midge Applications

🕔17:35, 11.Jul 2014

Populations of the white sugarcane aphid are expanding and increasing across the state. We have confirmed the presence of white sugarcane aphid in grain sorghum in 7 counties in Mississippi (Fig 1) and there are likely more. The counties where white sugarcane aphids have been found include Bolivar, Washington, Humphreys, Quitman, Panola, Tunica and Oktibbeha.

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Insect Trap Counts, July 11, 2014 (updated July 12, 2014)

Insect Trap Counts, July 11, 2014 (updated July 12, 2014)

🕔13:59, 11.Jul 2014

Bollworm and tobacco budworm counts this week were similar to last week and fairly typical compared to long-term averages. Except for two traps, one in Sunflower county (310 moths) and another in Washington county (142 moths), all traps caught less than 70 moths during

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Management of Kudzu Bugs in Mississippi Soybeans

Management of Kudzu Bugs in Mississippi Soybeans

🕔11:19, 8.Jul 2014

By now most folks have heard of Kudzu bugs. In fact, we have now confirmed them in 52 counties in Mississippi. Kudzu bugs, Megacopta cribraria, was first found in Georgia in 2009. Since that time it has spread rapidly across the southeast kudzu bug map 7_8and is now moving west in to Mid-southern states. It was first found in Mississippi in 2012 and now covers most of the state.

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Insect Trap Catches, July 3, 2014

Insect Trap Catches, July 3, 2014

🕔16:21, 3.Jul 2014

Bollworm catches were similar to the previous week while tobacco budworm counts continue to slowly rise. Neither is particularly high for this time of year. Southwestern corn borer counts were up sharply this week, with a few traps in the

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Assessing Control of Tarnished Plant Bug in Prebloom Cotton

Assessing Control of Tarnished Plant Bug in Prebloom Cotton

🕔12:41, 27.Jun 2014

Tarnished plant bug numbers have actually started off at low to moderate levels this year in the Delta region but just in the last few days numbers seem to be picking up pretty good in a few locations and square

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Trap Catches, June 27, 2014

Trap Catches, June 27, 2014

🕔11:46, 27.Jun 2014

Bollworm counts this week were similar to last week’s counts. Other than 1 trap in Sunflower County that caught 593 moths during the week, trap catches were all less than 100 moths/trap. Tobacco budworm catches inched higher for the second week

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Armyworms in Rice, Again!

🕔09:40, 27.Jun 2014

It appears that 2014 is going to be the year of the armyworm in rice. I have had numerous calls, texts, and Tweets about armyworms in rice over the last week. If you have not had them in your rice to this point, consider yourself very lucky.

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White Sugarcane Aphid: A Potentially Devastating Pest of Grain Sorghum

🕔10:25, 26.Jun 2014

In 2013 a new aphid pest called the White Sugarcane Aphid, Melanaphis sacchari, was detected in grain sorghum in 38 counties in Texas, Louisiana, Oklahoma, and one county in Mississippi. This species has apparently been around for years but the hosts switch to grain sorghum appears to be new. This pest can be devastating to grain sorghum if populations reach high densities. In fact, some fields have seen 100% yield loss. Another major factor is this aphid is difficult to control with currently labeled products.

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Trap Counts, June 20, 2014

Trap Counts, June 20, 2014

🕔15:51, 20.Jun 2014

Bollworm trap catches were up in the Delta region this week to levels about normal for this time of year. Most bollworm eggs will be laid in corn at this time when many corn fields are at silk stage. University research

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Importance of Monitoring Square Retention in Young Cotton

🕔14:23, 19.Jun 2014

Square retention is a critical component of early season plant bug management. I would strongly encourage you to take square retention counts along with your sweep net counts prior to bloom. Not only does this help in the decision making process of treating plant bugs, but it also helps you to get a better idea of how the products you are applying are working. Numbers alone can be deceiving when adults are steady moving into the field. When large numbers of adults are migrating into a field it is not uncommon to have as many or more plant bugs 4-5 days after a spray than you did before you sprayed and it still would not equate to a control failure.

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Caterpillars Infesting Mississippi Field Corn

🕔11:51, 13.Jun 2014

There are several caterpillar pests that commonly infest field corn in Mississippi. These include corn earworm, fall armyworm, and southwestern corn borer.

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Insect Trap Counts, June 13, 2014

Insect Trap Counts, June 13, 2014

🕔11:02, 13.Jun 2014

Bollworm trap counts were higher in Lowndes county this week, but all other locations were similar to the previous week. Tobacco budworm catches remain at very low levels throughout the state. Southwestern corn borer counts were also very low throughout

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Green Stink Bugs in Non-Podding Soybeans: What to Do?

🕔16:01, 12.Jun 2014

I have had numerous calls recently on green stink bugs in beans that are either vegetative or at R1-R2 stage with no pods. Numbers have ranged from 4-5 to 8-12 per 25 sweeps depending on the field. It is not uncommon to have a field or two on occasion to have threshold numbers of stink bugs before soybeans put on pods, but the number of fields this year being reported is certainly unusual.

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Tarnished Plant Bug Nymphs Showing Up in Pre-Bloom Cotton

Tarnished Plant Bug Nymphs Showing Up in Pre-Bloom Cotton

🕔08:29, 11.Jun 2014

The tarnished plant bug calls have started to come in on small cotton already. In some cases, consultants and growers are finding nymphs on very young cotton with only 1-2 squares. Similarly, some are reporting plant bug flagged terminals in pre-square cotton. We rarely have to spray pre-square cotton for plant bugs, but our threshold is 1 flagged plant per 10 row feet with bugs present. Although tarnished plant bugs are our most important and most consistent pest of cotton in the Delta, we usually don’t start finding nymphs until closer to first flower.

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Armyworms Showing up in Grassy Fields Moving to Soybeans

🕔11:50, 6.Jun 2014

Over the last few days I have started getting calls about fall armyworms showing up in soybeans.  We see some of this every year, and it is primarily related to larvae moving off of a grass host after a Roundup application

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Trap Counts, June 6, 2014

Trap Counts, June 6, 2014

🕔11:27, 6.Jun 2014

Bollworm catches were lower in the Delta this week but steady in Northeast MS. Tobacco budworm catches were negligible in all areas (Table 1). Southwestern corn borer counts were also low throughout the state, so early corn that is now

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Influence of Rainfall on Insecticide Efficacy

🕔13:29, 2.Jun 2014

Every year at some point during the season we seem to hit a rainy spell where it seems to rain at some point every day and we have showers widely scattered across the state. It started raining last Wednesday and we have had some rain everyday since then and it is currently raining in Stoneville right now (Monday morning). With that, the questions start about how long you need to spray before a rain to get acceptable control.

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Delta Research and Extension Center’s Agronomic Crops Field Day, June 17, 2014

🕔13:30, 30.May 2014

A corn, cotton, peanut, and soybean field day is scheduled for June 17th at the Delta Research and Extension Center in Stoneville, MS. The general theme of the field day will include pertinent information for mid-season row crop issues.

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Mixing Thrips Insecticides With Post Herbicides: Yes or No?

🕔11:27, 30.May 2014

We have been getting a lot of questions the last 7 to 10 days about potential injury or problems associated with mixing thrips insecticides with POST herbicides over cotton. This will no doubt be controversial, but we are going to lay it out like we would if you called.

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Pheromone Trap Counts, May 29, 2014

Pheromone Trap Counts, May 29, 2014

🕔14:20, 29.May 2014

Bollworm trap catches were down in the Delta region this week from last week, while tobacco budworm catches were higher in the Delta (Table 1). There was minimal change for catches of either species in Northeastern MS. This is the

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Armyworms in Rice

🕔10:39, 23.May 2014

Similar to most years when we have armyworms in wheat, there is the threat of having armyworms in seedling rice. We know of at least one rice field in Mississippi that was sprayed earlier this week. In general, damage from armyworms will not impact rice yields at this time of year unless they are beginning to reduce plant stand. This is especially true in hybrid rice planted at low seeding rates.

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